/* ============================================================
   K - nav.css  (glass header + mobile dock)
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  pointer-events: none;
  transition: transform 0.35s ease;
}

/* hide-on-scroll: header slides up out of view, stays in the DOM */
.nav.nav-hidden {
  transform: translateY(-100%);
}

/* transparent header with gradient scrim */
.nav-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5,7,10,0.47) 0%, rgba(5,7,10,0.15) 60%, transparent 100%);
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.nav.scrolled .nav-scrim {
  background: rgba(5, 7, 10, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  max-width: var(--layout);
  margin: 0 auto;
  padding: 0 16px;
  pointer-events: auto;
  position: relative;
  z-index: 2;
}

@media (min-width: 768px) {
  .nav-inner {
    height: var(--nav-h-lg);
  }
}

/* ---- logo ---- */
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.logo img {
  width: 32px;
  height: 32px;
  transition: transform 0.3s ease;
}

@media (min-width: 768px) {
  .logo img {
    width: 40px;
    height: 40px;
  }
}

.logo:hover img {
  transform: scale(1.06);
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  color: var(--text);
  line-height: 1;
}

/* ---- nav links (desktop) ---- */
.nav-links {
  display: none;
  align-items: center;
  gap: 2px;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-hi);
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-hi);
  background: rgba(255, 255, 255, 0.06);
}

.nav-link .icon {
  width: 1em;
  height: 1em;
}

/* Browse dropdown trigger */
.nav-browse {
  display: none;
  align-items: center;
  gap: 5px;
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-hi);
  transition: color 0.2s ease, background 0.2s ease;
  cursor: pointer;
}

@media (min-width: 768px) {
  .nav-browse {
    display: inline-flex;
  }
}

.nav-browse:hover {
  color: var(--accent-hi);
  background: rgba(255, 255, 255, 0.06);
}

.nav-browse .chevron {
  width: 12px;
  height: 12px;
  transition: transform 0.2s ease;
}

.nav-browse.open .chevron {
  transform: rotate(180deg);
}

/* browse dropdown panel */
.browse-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  width: 520px;
  padding: 16px;
  border-radius: 12px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  display: none;
  z-index: 70;
}

.browse-dropdown.open {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.browse-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.browse-item:hover {
  background: rgba(220, 38, 38, 0.1);
  color: var(--accent-hi);
}

.browse-item .icon {
  width: 1em;
  height: 1em;
}

/* ---- keyboard focus rings (nav links + dropdown items) ---- */
.nav-link:focus-visible,
.nav-browse:focus-visible,
.browse-item:focus-visible,
.search-drop .drop-item:focus-visible {
  outline: 2px solid var(--accent-hi);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ---- right side ---- */
.nav-right {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* search toggle button */
.nav-search-btn {
  padding: 8px;
  border-radius: 8px;
  color: var(--text-hi);
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-search-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--accent-hi);
}

/* expanding search input in nav */
.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-search-input {
  width: 0;
  padding: 8px 30px 8px 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  transition: width 0.35s ease, background-color 0.35s ease, border-color 0.35s ease;
}

.search-box.open .nav-search-input {
  width: min(320px, 42vw);
  background: rgba(11, 15, 20, 0.85);
  border-color: rgba(238, 241, 246, 0.2);
}

.search-box.has-text .search-clear {
  display: flex;
}

.search-clear {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  padding: 2px;
  color: var(--text-mid);
  display: none;
}

.search-clear .icon {
  width: 14px;
  height: 14px;
}

/* nav search results dropdown */
.search-drop {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: min(400px, 90vw);
  max-height: 56vh;
  overflow-y: auto;
  border-radius: 10px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);
  display: none;
  z-index: 70;
}

.search-drop.open {
  display: block;
}

.search-drop .drop-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  cursor: pointer;
  transition: background 0.15s ease;
}

.search-drop .drop-item:hover {
  background: rgba(255, 255, 255, 0.06);
}

.search-drop .drop-item img {
  width: 48px;
  height: 27px;
  object-fit: cover;
  border-radius: 4px;
  background: var(--surface-2);
  flex-shrink: 0;
}

.search-drop .drop-info {
  flex: 1;
  min-width: 0;
}

.search-drop .drop-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-drop .drop-sub {
  font-size: 11px;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.search-drop .drop-empty {
  padding: 16px;
  font-size: 13px;
  color: var(--text-mid);
}

/* ---- hamburger (mobile nav trigger) ---- */
.hamburger-btn {
  display: flex;
  padding: 8px;
  border-radius: 8px;
  color: var(--text-hi);
}

.hamburger-btn .icon {
  width: 1.5em;
  height: 1.5em;
}

@media (min-width: 768px) {
  .hamburger-btn {
    display: none;
  }
}

/* ---- mobile drawer menu ---- */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 65;
  display: none;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.mobile-menu.open {
  display: block;
}

.mobile-menu-panel {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 300px;
  background: var(--glass-bg);
  border-right: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
  animation: k-slide-in 0.25s ease;
}

@keyframes k-slide-in {
  from { transform: translateX(-100%); }
  to { transform: none; }
}

.mobile-menu-panel .logo {
  margin-bottom: 18px;
}

.mobile-menu-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 10px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: background 0.2s ease, color 0.2s ease;
}

.mobile-menu-link:hover,
.mobile-menu-link.active {
  color: var(--accent-hi);
  background: rgba(220, 38, 38, 0.08);
}

/* ---- floating dock (mobile bottom) ---- */
.dock-outer {
  display: flex;
  max-width: 100%;
  align-items: center;
  justify-content: center;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

@media (min-width: 768px) {
  .dock-outer {
    display: none;
  }
}

.dock-panel {
  position: fixed;
  bottom: 0.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: flex-end;
  gap: 0.75rem;
  width: fit-content;
  border-radius: 20px;
  background: rgba(11, 15, 20, 0.82);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  border: 1px solid rgba(255, 255, 255, 0.07);
  padding: 0 0.55rem 0.55rem;
  box-shadow: 0 24px 56px -24px rgba(0, 0, 0, 0.7),
    0 0 0 1px rgba(255, 255, 255, 0.02),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  z-index: 60;
}

.dock-item {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--bg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 6px 14px -6px rgba(0, 0, 0, 0.55);
  color: var(--text);
  transition: color 0.18s ease, border-color 0.22s ease;
}

@media (hover: hover) and (pointer: fine) {
  .dock-item:hover {
    border-color: rgba(220, 38, 38, 0.45);
    color: var(--accent-hi);
  }
}

.dock-item.active {
  color: var(--accent-hi);
}

.dock-item.active::after {
  content: "";
  position: absolute;
  bottom: -9px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 9999px;
  background: var(--primary);
  box-shadow: 0 0 10px rgba(220, 38, 38, 0.8);
}

.dock-item .icon {
  width: 20px;
  height: 20px;
}